There is perhaps no better way to see the absolute pinnacle of human athletic abilities than by watching the Olympics.
But at the Winter Games this year – and at almost all professional sporting events – you rarely see a competitor over 40 years old and almost never see a single athlete over 50.This is because with every additional year spent on Earth, bodies age and muscles don't respond to exercise the same as they used to.exercise, strength training, and diet in older people
Old and young people build muscle in the same way. But as you age, many of the biological processes that turn exercise into muscle become less effective. When you do strength training, over time, exercises that at first felt difficult become easier as your muscles increase in strength and size – a process called hypertrophy.Bigger muscles simply have larger muscle fibers and cells, and this allows you to lift heavier weights. As you keep working out, you can continue to increase the difficulty or weight of the exercises as your muscles get bigger and stronger.
Any time you move your body, you are doing so by shortening and pulling with your muscles – a process called contraction. This is how muscles spend energy to generate force and produce movement.
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